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Simond MT100 Hooded Down Puffer Jacket vs USNSM Long Hooded Puffer Jacket

The Simond MT100 is the better jacket for anyone who will actually be outdoors in the cold. It packs 800-fill down into about 11 ounces, folds into its own pocket, and has a hood, a two-way zip and a PFC-free water-repellent shell. The USNSM is a long, loose over-the-knee coat with a thick synthetic fill and a waterproof claim, but it is heavy, bulky and sized in Asian sizing that runs small. Buy the Simond for trekking, backpacking and layering; buy the USNSM only if you want a long fashion coat for standing around in cold, wet city weather.

  • Choose the Simond MT100 if you want real warmth per ounce, a packable jacket for hiking and travel, and a fit that runs true to size.
  • Choose the USNSM long puffer if you want an over-the-knee coat for very cold, wet days and prefer a loose, oversized look.

Prices

  • Simond MT100 Hooded Down Puffer Jacket: $60.00 at Decathlon (checked today)
  • USNSM Long Hooded Puffer Jacket: $36.69 at Walmart (checked today)
  • Difference: the USNSM Long Hooded Puffer Jacket is $23.31 cheaper than the Simond MT100 Hooded Down Puffer Jacket today
Simond
Simond Men's MT100 Hooded Down Puffer Jacket

Simond MT100 Hooded Down Puffer Jacket

Simond Men's MT100 Hooded Down Puffer Jacket

$60.00at DecathlonChecked 13 h ago
See all prices and details
Visit Decathlon
Pros
  • 800-fill down gives strong warmth for its weight
  • Packs into its own pocket for travel and backpacking
  • Hood, two-way zip and elasticated cuffs seal out cold
  • RDS-certified recycled down and PFC-free water repellent
  • True-to-size fit with clear layering guidance
Cons
  • 15-denier shell is thin and can snag on brush
  • Water repellent, not waterproof
  • Hip length leaves legs exposed
  • Only two hand pockets, no chest pocket
USNSM
USNSM Men's Long Hooded Puffer Jacket Thick Insulated Waterproof Windproof Warm Winter Coat Loose Over Knee For Both Men and Women

USNSM Long Hooded Puffer Jacket

USNSM Men's Long Hooded Puffer Jacket Thick Insulated Waterproof Windproof Warm Winter Coat Loose Over Knee For Both Men and Women

$36.69at WalmartChecked 53 min ago
See all prices and details
Visit Walmart
Pros
  • Over-the-knee length covers the legs in bitter cold
  • Loose cut layers easily over sweaters
  • Marketed as waterproof and windproof
  • Available in a wide size run up to XXXL
Cons
  • Heavy and bulky; not packable
  • Asian sizing runs small, so ordering is a gamble
  • No fill power, fabric or waterproof rating published
  • Little review history to judge real-world warmth

What separates them

Simond MT100 Hooded Down Puffer JacketUSNSM Long Hooded Puffer Jacket
Insulation800-fill-power down, 90% down and 10% feathers, RDS-certified and recycledThick synthetic fill, no fill power or content stated
Weight and packabilityAbout 11.3 oz in size L; stuffs into its left hand pocketLong, thick over-the-knee coat; bulky and not packable
Length and coverageHip-length jacketOver-the-knee length, more coverage of the legs
Weather protection15-denier polyamide shell with PFC-free water repellent; not fully waterproofMarketed as waterproof and windproof; no fabric or rating given
Sizing and fitTrue to size; size up for layeringAsian sizing that runs small; size chart lists bust, sleeve and length in cm
Hood and closureAdjustable hood, two-way zip with double puller, elasticated cuffsHooded, loose cut; closure details not specified
DurabilityVery thin 15-denier shell; abrasion resistant but needs care around rock and brushHeavier fabric suited to city wear; no durability data
Track recordRated 4.7 out of 5 from 2,419 reviews on Decathlon's pageNo review history or specs beyond size and color

Price history

$99.99$36.69
Oct 29Nov 11
  • Simond MT100 Hooded Down Puffer Jacket: lowest $80.00 on Oct 29 at Tienda Tennis; $99.99 on Nov 4.
  • USNSM Long Hooded Puffer Jacket: lowest $36.69 on Nov 11 at Walmart.

Prices at every store

Simond MT100 Hooded Down Puffer Jacket

  • DecathlonNew

    In stockReturn policy

    $60.00Checked 13 h ago
    Visit Decathlon
  • Tienda TennisNew

    Availability unknown

    $80.00Checked Oct 30
    Visit Tienda Tennis
  • trailhubgear.comNew

    Availability unknown

    $119.00Checked Nov 4
    Visit trailhubgear.com

Also available at

  • decathlon.comCheck price at decathlon.com
All 3 stores and price history →

USNSM Long Hooded Puffer Jacket

  • WalmartNew

    Availability unknownSold by USNSM

    $36.69Checked 53 min ago
    Visit Walmart

Also available at

  • WalmartCheck price at Walmart
Prices and history →

Specs compared

SpecSimond MT100 Hooded Down Puffer JacketUSNSM Long Hooded Puffer Jacket
ColorAsphalt BlueBlack
Comfort temperature range41°F to 23°F—
Fill power800 CUIN—
Down content90% down and 10% feathers—
Weightapproximately 11.3 oz (320 g) in size L—
Outer fabric100% polyamide, 35 g/sqm. 15 denier—
Pockets2 zipped hand pockets—
Packingfolds away into its left-hand pocket—
Water repellencyPFC-free surface treatment—
CertificationResponsible Down Standard-certified—
Alpha SizeXL, 2XL, M, S—
Fill MaterialRecycled feathers, Down, Recycled down—
Show all 34 specsShow fewer specs
SpecSimond MT100 Hooded Down Puffer JacketUSNSM Long Hooded Puffer Jacket
Insulation TypeDown—
FitTrue to size—
Performance StyleWater repellent—
Fastener TypeZip—
Closure HighlightsZip with double puller—
OccasionTrekking—
MaterialOuter fabric (35g/sqm, 15 denier)—
Shell MaterialOuter fabric (35g/sqm, 15 denier)—
Recycled MaterialsYes (90% recycled down and 10% recycled feather…—

What reviewers say

Simond MT100 Hooded Down Puffer Jacket

Buyers rate it highly, about 4.7 out of 5 from 2,419 reviews on Decathlon's page. Owners treat it as a light, packable down layer that delivers warmth for the money. The main complaints are the thin shell and the plain design.

What people mention
  • WarmthPraisedOwners say it holds heat well for such a light jacket in the 41°F to 23°F range.
  • PackabilityPraisedReviewers like that it compresses into its own pocket for backpacking.
  • ValuePraisedBuyers see 800 fill-power down at this price as a strong deal.
  • Shell durabilityCriticisedThe 15-denier fabric is called thin and prone to snags.

Questions and answers

Which is warmer for hiking in freezing weather?
The Simond. Its 800-fill down traps more heat per ounce and it is cut for movement, with a hood and elasticated cuffs. The USNSM is thick but heavy, and its loose over-the-knee cut is awkward on a trail.
Is the USNSM actually waterproof?
It is marketed as waterproof and windproof, but no fabric, coating or waterproof rating is published. Treat it as water-resistant for city rain, not as a shell for sustained wet weather.
Which lasts longer?
The Simond has a thin 15-denier shell that can snag, but its down and construction are documented and it has thousands of reviews behind it. The USNSM publishes no materials or durability data, so its lifespan is a guess.
How does sizing compare?
The Simond runs true to size; size up one for a single layer underneath and two for heavier layering. The USNSM uses Asian sizing that runs small, and its own listing suggests going one or two sizes up.
Is the Simond worth stepping up to over the USNSM?
Yes for anything active. You get documented down, packability, a proper hood and a known fit. The USNSM only wins if you specifically want a long coat for standing around in cold, wet city weather.
Can the Simond handle rain?
Light rain and snow, yes. The PFC-free treatment sheds drizzle, but the seams are not sealed and the shell is not waterproof, so carry a rain shell for sustained rain.

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Gender
Men's
—
DepartmentMen's—
Age GroupAdult—
Typical UsersTrekking—
StyleJacket—
Design HighlightsEasily folds away into its left-hand pocket—
ReversibleNo—
Design ThemeTrekking—
WaxedNo—
Release Date2026-07-21—
actual_color—c01Black
clothing_size—XXL
size—XXL